Dipole antenna projectile with sensor

Abstract

A fin-stabilized projectile suitable for launching from a shotgun or similar weapon. The projectile may penetrate easily breakable materials but will not penetrate tougher materials. The projectile may be shot through an easily breakable surface to gain entry to a target location, but further penetration is inhibited. The projectile is equipped with an on board sensor. The halves of the projectile casing form a dipole antenna for transmitting information gathered by the on board sensor.

1. A projectile, comprising:
 a hollow conductive casing comprising a forward section and a rear section; 
 an insulating ring being disposed between the forward section and the rear section to insulate, electrically, the forward section from the rear section,
 wherein the forward section and the rear section comprise a dipole antenna, and 
 
 radio frequency electronics connected to at least one sensor and the dipole antenna for transmitting information provided by said at least one sensor to a receiving location,
 wherein the forward section includes a soft, ductile material adjacent a relatively hard, dense material. 
 
 
   
   
     2. The projectile of  claim 1 , wherein the forward section and the rear section are comprised of a metal material. 
   
   
     3. The projectile of  claim 1 , further comprising a tail fin being disposed aft of the rear section. 
   
   
     4. The projectile of  claim 3 , further comprising an axial rod being disposed on a longitudinal axis of the projectile, one end of the axial rod protrudes outward from the forward section and another end of the axial rod connects to the tail fin. 
   
   
     5. The projectile of  claim 3 , further comprising an axial rod being disposed on a longitudinal axis of the projectile,
 wherein the axial rod is comprised of metal. 
 
   
   
     6. The projectile of  claim 1 , further comprising said at least one sensor being disposed in the hollow conductive casing. 
   
   
     7. The projectile of  claim 6 , wherein said at least one sensor is an acoustic sensor. 
   
   
     8. The projectile of  claim 1 , further comprising an insulating material covering an external surface of the projectile. 
   
   
     9. The projectile of  claim 1 , wherein said relatively soft, ductile material fills a volume in a forward end of the forward section, and
 wherein said relatively hard, dense material fills a volume adjacent to and aft: of the relatively soft material. 
 
   
   
     10. A projectile, comprising:
 a hollow casing comprising a forward section; 
 a tail fin being disposed on an aft end of the hollow casing; 
 an axial rod being disposed on a longitudinal axis of the projectile, one end of the axial rod protruding outwards from a forward section of the hollow casing and another end of the axial rod connecting to the tail fin; and 
 radio frequency electronics being connected to at least one sensor and a dipole antenna for transmitting information being provided by said at least one sensor to a receiving location,
 wherein the forward section includes a soft, ductile material adjacent a relatively hard, dense material. 
 
 
   
   
     11. The projectile of  claim 10 , wherein said relatively soft, ductile material fills a volume in a forward end of the forward section, and
 wherein said relatively hard, dense material fills a volume adjacent to and aft of the relatively soft material. 
 
   
   
     12. The projectile of  claim 10 , wherein the axial rod is comprised of a metal. 
   
   
     13. The projectile of  claim 10 , further comprising said at least one sensor being disposed in the hollow casing. 
   
   
     14. The projectile of  claim 13 , wherein said at least one sensor is an acoustic sensor. 
   
   
     15. The projectile of  claim 10 , wherein the hollow casing comprises a conductive casing, the conductive casing is comprised of the forward section and a rear section, and
 wherein an insulating ring is disposed between the forward section and the rear section to insulate, electrically, the forward section from the rear section whereby the forward section and the rear section comprise a dipole antenna, radio frequency electronics are connected to the dipole antenna. 
 
   
   
     16. The projectile of  claim 15 , wherein the forward section and the rear section are comprised of a metal material. 
   
   
     17. The projectile of  claim 10 , wherein the tail fin is comprised of an electrically insulating material. 
   
   
     18. The projectile of  claim 10 , further comprising an insulating material, which covers an external surface of the projectile.